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16.2 Relationship between the Condition of the Air-to-Water Heatpump
Indoor and Outdoor Units and Pressure and Electric Current
Heating Mode
Condition of the
Air-to-Water Heatpump indoor and outdoor
units
Low Pressure
High Pressure
Electric current during operation
Water leakage or insufficient water flow
rate in the system
Excessive amount of refrigerant
Inefficient compression
Insufficient refrigerant
(gas leakage)
Outdoor heat exchange deficiency
Clogged expansion valve
or Strainer
Carry out the measurements of pressure, electric current, and temperature fifteen minutes after an operation is
started.
Summary of Contents for WH-SXH09D0E8
Page 8: ...8 4 Location of Controls and Components 4 1 Indoor Unit 4 1 1 Location of Control ...
Page 9: ...9 ...
Page 10: ...10 ...
Page 11: ...11 4 1 2 Weekly Timer Setting ...
Page 12: ...12 4 1 3 Main Components 4 2 Outdoor Unit ...
Page 13: ...13 5 Dimensions 5 1 Indoor Unit ...
Page 14: ...14 5 2 Outdoor Unit ...
Page 16: ...16 7 Block Diagram ...
Page 17: ...17 8 Wiring Connection Diagram 8 1 Indoor Unit ...
Page 18: ...18 8 2 Outdoor Unit ...
Page 19: ...19 9 Electronic Circuit Diagram 9 1 Indoor Unit ...
Page 20: ...20 9 2 Outdoor Unit ...
Page 21: ...21 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board ...
Page 22: ...22 10 2 Outdoor Unit 10 2 1 Main Printed Circuit Board ...
Page 23: ...23 10 2 2 Noise Filter Printed Circuit Board ...
Page 77: ...77 17 3 To Remove Pressure Gauge 17 4 To Remove Control Panel ...
Page 78: ...78 17 5 To Remove RCCB 17 6 To Remove Transformer and Electronic Controller Board ...
Page 80: ...80 When reinstall the water pipe use grease or water at the joining ...
Page 86: ...86 19 2 Outdoor Unit ...
Page 87: ...87 ...